Hi,
Why ap send deauth packet?
I grep the source find deauth in ieee80211_rx_mgmt_deauth.
On Sat, Jun 24, 2017 at 10:40 AM, 孙建希 <ycsunjane@xxxxxxxxx> wrote:
> All:
>
> Add some debug info in mac80211, i can get data packet in
> __ieee80211_rx_handle_packet
>
> 4053 if (ieee80211_is_mgmt(fc)) {
> 4054 mac80211_dbg(local, RX, "mac80211 mgmt
> packet\n");
> 4055 /* drop frame if too short for header */
>
> 4083 } else if (ieee80211_is_data(fc)) {
> 4084 mac80211_dbg(local, RX, "mac80211 data
> packet\n");
> 4085 struct sta_info *sta, *prev_sta;
>
> with ping packet log:
>
> [ 8996.617367] mac80211 data packet
> [ 8996.622783] mac80211 mgmt packet
> [ 8996.725036] mac80211 mgmt packet
> [ 8996.820829] mac80211 data packet
> [ 8996.829383] mac80211 mgmt packet
> [ 8996.931682] mac80211 mgmt packet
> [ 8997.033052] mac80211 mgmt packet
> [ 8997.135956] mac80211 mgmt packet
>
>
> And station will deauth from ap with PRE_AUTH_NOT_VALID:
>
> [ 8998.621385] wlan0: deauthenticated from c8:ee:a6:2d:cc:6c (Reason:
> 2=PREV_AUTH_NOT_VALID)
> [ 8998.629537] br-lan: port 2(wlan0) entered disabled state
> [ 9003.635631] wlan0: authenticate with c8:ee:a6:2d:cc:6c
> [ 9003.651230] wlan0: send auth to c8:ee:a6:2d:cc:6c (try 1/3)
> [ 9003.670365] wlan0: associate with c8:ee:a6:2d:cc:6c (try 1/3)
> [ 9003.681735] wlan0: RX AssocResp from c8:ee:a6:2d:cc:6c (capab=0x431
> status=0 aid=1)
> [ 9003.815829] br-lan: port 2(wlan0) entered forwarding state
>
>
> I think some bug in auth cause data packet drop.
>
> On Sat, Jun 3, 2017 at 4:09 PM, 孙建希 <ycsunjane@xxxxxxxxx> wrote:
>> wds ap:
>>
>> config wifi-device 'radio0'
>> option type 'mac80211'
>> option hwmode '11g'
>> option path 'platform/ar933x_wmac'
>> option distance '3000'
>> option txpower '18'
>> option country '00'
>> option channel '1'
>> option htmode 'HT40'
>>
>> config wifi-iface
>> option device 'radio0'
>> option network 'lan'
>> option mode 'ap'
>> option encryption 'psk2'
>> option key '12345600'
>> option max_inactivity '20'
>> option wds '1'
>> option ssid 'LK-M2-Jianxi'
>>
>> wds station:
>>
>> config wifi-device 'radio0'
>> option type 'mac80211'
>> option channel '1'
>> option hwmode '11g'
>> option path 'platform/ar933x_wmac'
>> option htmode 'HT20'
>> option distance '3000'
>> option txpower '19'
>> option country '00'
>>
>> config wifi-iface
>> option device 'radio0'
>> option network 'lan'
>> option encryption 'psk2'
>> option key '12345600'
>> option max_inactivity '20'
>> option wds '1'
>> option mode 'sta'
>> option ssid 'LK-M2-Jianxi'
>>
>> When the station break off, ping can not reach ap. wifi still
>> connect. kernel have no error info. iwinfo signal still change.
>>
>> ap with the other station still alive.
>>
>> Use wpa_cli scan command, will awake station, and ping alive.
>> wifi command also work.
>>
>> /proc/interrupts ath9k still alive.
